The Origins of Life on the Earth |
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Page 117
... L. E. Orgel , Nature 216 , 455 ( 1967 ) . Nucleosides R. A. Sanchez and L. E. Orgel , " Synthesis and photoanomerization of pyrimidine nucleosides , " J. Mol . Biol . 47 , 531 ( 1970 ) . W. D. Fuller , R. A. Sanchez , and L. E. Orgel ...
... L. E. Orgel , Nature 216 , 455 ( 1967 ) . Nucleosides R. A. Sanchez and L. E. Orgel , " Synthesis and photoanomerization of pyrimidine nucleosides , " J. Mol . Biol . 47 , 531 ( 1970 ) . W. D. Fuller , R. A. Sanchez , and L. E. Orgel ...
Page 148
... L. E. Orgel , " Prebiotic synthesis : phosphorylation in aqueous solution , " Science 161 , 64 ( 1968 ) . H. Halman , R. A. Sanchez , and L. E. Orgel , “ Phosphorylation of D - ribose in aqueous solution , " J. Org . Chem . 34 , 3702 ...
... L. E. Orgel , " Prebiotic synthesis : phosphorylation in aqueous solution , " Science 161 , 64 ( 1968 ) . H. Halman , R. A. Sanchez , and L. E. Orgel , “ Phosphorylation of D - ribose in aqueous solution , " J. Org . Chem . 34 , 3702 ...
Page 164
... L. E. Orgel , and H. T. Miles , “ Nonenzymatic synthesis of oligoadenylates on a polyuridylic acid template , ” Proc . Nat . Acad . Sci . U.S. 59 , 726 ( 1968 ) . J. Sulston , R. Lohrmann , L. E. Orgel , and H. T. Miles , " Specificity ...
... L. E. Orgel , and H. T. Miles , “ Nonenzymatic synthesis of oligoadenylates on a polyuridylic acid template , ” Proc . Nat . Acad . Sci . U.S. 59 , 726 ( 1968 ) . J. Sulston , R. Lohrmann , L. E. Orgel , and H. T. Miles , " Specificity ...
Contents
PREBIOTIC SYNTHESIS OF PURINES PYRIMIDINES | 8 |
THE COMPOSITION | 12 |
GEOLOGICAL EVIDENCE | 16 |
Copyright | |
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abundant active adenine alanine aldehydes amino acids ammonia ammonium amounts anticodon aqueous solution aspartic acid biochemical biological CaCO3 carbon CH₂ chain chemical chert CO₂ concentration condensation contain COOH cyanoacetylene cytosine decomposition dust cloud electric discharge energy enzyme equilibrium escape layer evolution example formaldehyde formation formed gases genetic geological glutamic acid glycine H₂ H₂N H₂O hydrocarbons hydrogen cyanide hydrolysis hydrolyzed important inorganic L. E. Orgel limestone living organisms material mechanism membranes metabolism meteorites methane minerals mixture molecules N₂ NH₂ nitrogen nucleic acids nucleotides O₂ obtained occur organic compounds origin oxidation oxygen pathways peptide phosphate phosphorylation photochemical photosynthesis planets polymers polynucleotides polypeptides prebiotic prebiotic synthesis Precambrian present pressure primitive atmosphere primitive earth primitive ocean purines reaction replication rocks Schopf Science sequence solar system structure sugars surface t-RNA temperature ultraviolet light volcanoes yield